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brown dwarf News

Alien star passed through our solar system just recently

NASA publications have confirmed that an alien star passed through our own solar system just 70,000 years ago. This is recent in astronomical terms and the star was not alone.

Comet Elenin Hit By An Explosion? Update: NASA Images

Amateur observers studying NASA images from STEREO see Comet Elenin split into two parts (featured video). Leonid Elenin is said to have confirmed Comet's disintegration.
 

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This image is an artist s conception of the binary system WISE J104915.57-531906 with the Sun in the...
This image is an artist's conception of the binary system WISE J104915.57-531906 with the Sun in the background
Credit: Janella Williams, Penn State University.
Artist s impression of the newly discovered star WISE J085510.83-071442.5  the coldest known brown d...
Artist's impression of the newly discovered star WISE J085510.83-071442.5, the coldest known brown dwarf star. Brown dwarfs are dim star-like bodies that lack the mass to burn nuclear fuel as other stars do.The new star is the fourth closest to our Sun, at 7.2 light-years from Earth.
NASA/JPL-Caltech/Penn State University
Surface map of Luhman 16B recreated from VLT observations. ESO s Very Large Telescope has been used ...
Surface map of Luhman 16B recreated from VLT observations. ESO's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. The figure shows the object at six equally spaced times as it rotates once on its axis
ESO / I. Crossfield
Diagram illustrating the closest star systems to the Sun with dates discovered. 

NASA s Wide-field ...
Diagram illustrating the closest star systems to the Sun with dates discovered. NASA's Wide-field Infrared Survey Explorer, or WISE, found two of the four closest systems: the binary brown dwarf WISE 1049-5319 and the brown dwarf WISE J085510.83-071442.5.
NASA/Penn State University